Examples with RetryingContext com.google.api.gax.retrying.RetryingContext used on opensource projects

Example 1 with RetryingContext

use of com.google.api.gax.retrying.RetryingContext in project gax-java by googleapis.

the class StreamingRetryAlgorithmTest method testNextAttemptReturnsResultAlgorithmSettingsWhenShouldRetry.

@Test
public void testNextAttemptReturnsResultAlgorithmSettingsWhenShouldRetry() {
    RetryingContext context = mock(RetryingContext.class);
    @SuppressWarnings("unchecked") BasicResultRetryAlgorithm<String> resultAlgorithm = mock(BasicResultRetryAlgorithm.class);
    UnavailableException exception = mock(UnavailableException.class);
    when(resultAlgorithm.shouldRetry(context, exception, null)).thenReturn(true);
    TimedAttemptSettings next = mock(TimedAttemptSettings.class);
    when(resultAlgorithm.createNextAttempt(Mockito.eq(context), Mockito.eq(exception), Mockito.<String>isNull(), any(TimedAttemptSettings.class))).thenReturn(next);
    ExponentialRetryAlgorithm timedAlgorithm = new ExponentialRetryAlgorithm(DEFAULT_RETRY_SETTINGS, mock(ApiClock.class));
    StreamingRetryAlgorithm<String> algorithm = new StreamingRetryAlgorithm<>(resultAlgorithm, timedAlgorithm);
    TimedAttemptSettings first = algorithm.createFirstAttempt(context);
    TimedAttemptSettings attempt = algorithm.createNextAttempt(context, exception, null, first);
    assertThat(attempt).isSameInstanceAs(next);
}

Example 2 with RetryingContext

use of com.google.api.gax.retrying.RetryingContext in project gax-java by googleapis.

the class StreamingRetryAlgorithmTest method testFirstAttemptUsesContextSettings.

@Test
public void testFirstAttemptUsesContextSettings() {
    RetryingContext context = mock(RetryingContext.class);
    when(context.getRetrySettings()).thenReturn(CONTEXT_RETRY_SETTINGS);
    BasicResultRetryAlgorithm<String> resultAlgorithm = new BasicResultRetryAlgorithm<>();
    ExponentialRetryAlgorithm timedAlgorithm = new ExponentialRetryAlgorithm(DEFAULT_RETRY_SETTINGS, mock(ApiClock.class));
    StreamingRetryAlgorithm<String> algorithm = new StreamingRetryAlgorithm<>(resultAlgorithm, timedAlgorithm);
    TimedAttemptSettings attempt = algorithm.createFirstAttempt(context);
    assertThat(attempt.getGlobalSettings()).isSameInstanceAs(CONTEXT_RETRY_SETTINGS);
    assertThat(attempt.getRpcTimeout()).isEqualTo(CONTEXT_RETRY_SETTINGS.getInitialRpcTimeout());
}

Example 3 with RetryingContext

use of com.google.api.gax.retrying.RetryingContext in project gax-java by googleapis.

the class StreamingRetryAlgorithmTest method testNextAttemptResetsTimedSettings.

@Test
public void testNextAttemptResetsTimedSettings() {
    RetryingContext context = mock(RetryingContext.class);
    BasicResultRetryAlgorithm<String> resultAlgorithm = new BasicResultRetryAlgorithm<>();
    ServerStreamingAttemptException exception = mock(ServerStreamingAttemptException.class);
    when(exception.canResume()).thenReturn(true);
    when(exception.hasSeenResponses()).thenReturn(true);
    UnavailableException cause = mock(UnavailableException.class);
    when(exception.getCause()).thenReturn(cause);
    ExponentialRetryAlgorithm timedAlgorithm = new ExponentialRetryAlgorithm(DEFAULT_RETRY_SETTINGS, mock(ApiClock.class));
    StreamingRetryAlgorithm<String> algorithm = new StreamingRetryAlgorithm<>(resultAlgorithm, timedAlgorithm);
    TimedAttemptSettings first = algorithm.createFirstAttempt(context);
    TimedAttemptSettings second = algorithm.createNextAttempt(context, mock(Exception.class), null, first);
    TimedAttemptSettings third = algorithm.createNextAttempt(context, exception, null, second);
    assertThat(third.getFirstAttemptStartTimeNanos()).isEqualTo(first.getFirstAttemptStartTimeNanos());
    // The timeout values are reset to the second call.
    assertThat(third.getRpcTimeout()).isEqualTo(second.getRpcTimeout());
}

Example 4 with RetryingContext

use of com.google.api.gax.retrying.RetryingContext in project gax-java by googleapis.

the class StreamingRetryAlgorithmTest method testNextAttemptReturnsNullWhenShouldNotRetry.

@Test
public void testNextAttemptReturnsNullWhenShouldNotRetry() {
    RetryingContext context = mock(RetryingContext.class);
    @SuppressWarnings("unchecked") BasicResultRetryAlgorithm<String> resultAlgorithm = mock(BasicResultRetryAlgorithm.class);
    UnavailableException exception = mock(UnavailableException.class);
    when(resultAlgorithm.shouldRetry(context, exception, null)).thenReturn(false);
    ExponentialRetryAlgorithm timedAlgorithm = new ExponentialRetryAlgorithm(DEFAULT_RETRY_SETTINGS, mock(ApiClock.class));
    StreamingRetryAlgorithm<String> algorithm = new StreamingRetryAlgorithm<>(resultAlgorithm, timedAlgorithm);
    TimedAttemptSettings attempt = algorithm.createNextAttempt(context, exception, null, mock(TimedAttemptSettings.class));
    assertThat(attempt).isNull();
    TimedAttemptSettings attemptWithoutContext = algorithm.createNextAttempt(exception, null, mock(TimedAttemptSettings.class));
    assertThat(attemptWithoutContext).isNull();
}

Example 5 with RetryingContext

use of com.google.api.gax.retrying.RetryingContext in project gax-java by googleapis.

the class StreamingRetryAlgorithmTest method testFirstAttemptUsesDefaultSettings.

@Test
public void testFirstAttemptUsesDefaultSettings() {
    RetryingContext context = mock(RetryingContext.class);
    BasicResultRetryAlgorithm<String> resultAlgorithm = new BasicResultRetryAlgorithm<>();
    ExponentialRetryAlgorithm timedAlgorithm = new ExponentialRetryAlgorithm(DEFAULT_RETRY_SETTINGS, mock(ApiClock.class));
    StreamingRetryAlgorithm<String> algorithm = new StreamingRetryAlgorithm<>(resultAlgorithm, timedAlgorithm);
    TimedAttemptSettings attempt = algorithm.createFirstAttempt(context);
    assertThat(attempt.getGlobalSettings()).isSameInstanceAs(DEFAULT_RETRY_SETTINGS);
    assertThat(attempt.getRpcTimeout()).isEqualTo(DEFAULT_RETRY_SETTINGS.getInitialRpcTimeout());
}